Fig. 4From: Haplotype analysis of the internationally distributed BRCA1 c.3331_3334delCAAG founder mutation reveals a common ancestral origin in Iberiaa Fractions of local American, European, and African ancestry (y axis) on chromosome 17 (x axis), with two vertical bars indicating the BRCA1 region from Fig. 1. b Chromosome European ancestry (y axis) among Colombian non-mutation carriers (left) and mutation carriers (right)Back to article page